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Function Notation

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Accompanying Resources: 
Task Cards & Boom Cards, Fun Activity, FREE Study Guide
Function Notation Task Cards and digital Boom Cards - distance learning algebra activity
Function Notation Fun Activity
Function Notation FREE study guide.  Guided notes great for distance learning.

What are Functions?

If you checked out the intro to functions lesson or the lesson on representing functions, you know that a function takes an input value and assigns it exactly one output value. 
Think of a vending machine as a function. It takes an input value and assigns ONE output value.
Think about a function as a vending machine.  You give the function an input value (the code you type in) and it assigns you an output (candy, pretzels, etc.).  If you enter the same input code the next time, it should give you the exact same output that it gave you the last time.

Representing Functions

There are several different ways to represent a function.  Mapping diagrams use ovals and arrows to show how the inputs and outputs are matched up.  You can also use tables, graphs, or a set of ordered pairs to represent a function.
Representing a function with mappings, tables, graphs, and sets of ordered pairs.
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